<?php

//require_once( 'init.php' );

class DataTest extends PPHPUnit_Framework_TestCase
{
    

    
    public function testPushAndPop()
    {
        $stack = array();
        $this->assertEquals(0, count($stack));
       
 
        array_push($stack, 'foo');
        $this->assertEquals('foo', $stack[count($stack)-1]);
        $this->assertEquals(1, count($stack));
 
        $this->assertEquals('foo', array_pop($stack));
        $this->assertEquals(0, count($stack));
    }
}
?>